we haven't yet learned the name of the navy s.e.a.l. who was killed. hes part of what we in the public know as s.e.a.l. team 6. it is known as the special warfare development group. one of the most elite units in the u.s. military. they went to rescue dr. joseph who had been kidnapped and doing humanitarian relief work in afghanistan. and the doctor's family has put out a statement. i want to read part of that to you. it says "we want to extend our deepest condolences to the family of the american sailor who died during dilip's rescue. we couldn't be more grateful for the soldier's heroism and the bravery of all involved in the mission to bring dilip hope." we expect possibly to publicly learn his name later today. zoraida. >> do we know how the s.e.a.l. died? >> well, all that military officials are saying so far is he died of small arms fire. we don't know, but it does suggest there was a fire fight, and very close, very nasty fire fight possibly. the military teams are specially trained in hostage rescue, and they go into some of the most dangerous